Okay, every time I try to use a free online photoshop web site, the place where you should be able to start working is blank with the words 'Blocked Plug-in'. It's on every single site. I don't understand.
-Which version of Mac OS X?
-Which versions of Java and Flash?
-I assume this is in Safari, have you tried other browsers such as Google Chrome or Firefox?
The site is probably trying to use Java and your security settings block Java by default. Here is an Apple document that will allow Java to run for any website you allow it to:
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